1M MES Solution, is supplied by HiMedia. It is available in the form of a colourless solution with a pH in the range of 6.4 - 6.6. It is advisable to store this product room temperature (15-25C).

MES, also known as [2-(N-Morpholino) ethanesulfonic Acid], has a pKa value near physiological pH. 1M MES Solution functions as a zwitterionic buffer which was developed by Norman Good in the 1960s. It has minimal absorption in visible or UV spectral range and can be easily synthesized. Compared to other Goods buffers MES has a minimal chelating ability. 1M MES Solution is mainly used as a biological buffer in plant cell cultures. it is also used in cell culture media, electrophoresis and several other molecular biology applications.